ribbein

== Norwegian Bokmål == === Alternative forms === ribben, ribbebein, ribbeben === Etymology === From Old Norse rif + bein. === Noun === ribbein n (definite singular ribbeinet, indefinite plural ribbein, definite plural ribbeina or ribbeinene) (anatomy) a rib === References === “ribbein” in The Bokmål Dictionary. == Norwegian Nynorsk == === Alternative forms === ribb-bein === Etymology === From Old Norse rif + bein. === Noun === ribbein n (definite singular ribbeinet, indefinite plural ribbein, definite plural ribbeina) (anatomy) a rib === References === “ribbein” in The Nynorsk Dictionary.